Question 1

What is the cheapest eSIM for Japan?

Accepted Answer

Airhub offers the cheapest 1GB plan for Japan at $1.55, significantly cheaper than other providers. RedteaGO at $2.50 and BNEsim at $2.81 are the next best options.

Question 2

Can I make phone calls with a Japan eSIM?

Accepted Answer

Most Japan eSIM plans are data-only. You can still make calls using VoIP apps like WhatsApp, LINE, FaceTime, or Google Meet over your data connection.

Question 3

Does eSIM work on the Shinkansen?

Accepted Answer

Yes — Japan's major carriers provide strong coverage along Shinkansen routes, with only brief gaps in longer tunnels.

Best eSIM for Japan 2026

Cheapest eSIM plans for Japan